<template>

    <p>这是一个父父父父父父组件</p>
    <p>{{ msg }}</p>
    <Children :info="msg" @changeParent="changeMsg" />
</template>



<script>

import Children from './Children.vue'
export default {
    name: "Parent",
    data(){
        return {
            msg: "这是父组件的信息"
        }
    },
    components:{
        Children
    },
    methods:{
        changeMsg(value){
            this.msg = value
        }
    }
}

</script>